"WASHINGTON, Jan 10 (Reuters) - Senior U.S. Republican and Democratic senators will introduce legislation on Tuesday seeking to impose a wide range of sanctions on Russia over its cyber activities and actions in Syria and Ukraine.

The legislation is sponsored by Republican Senator John McCain and Democrats Ben Cardin and Robert Menendez, all influential legislators on foreign policy matters. Aides said several other senators, both Democrats and Republicans, are also expected to sponsor the legislation, increasing its chances of becoming law...